18644220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{14797}}^1$

素因数の和:14819

約数の個数: 72

約数和(自身を含む): 64637664

約数和(自身を除く): 45993444

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 14797, 29594, 44391, 59188, 73985, 88782, 103579, 133173, 147970, 177564, 207158, 221955, 266346, 295940, 310737, 414316, 443910, 517895, 532692, 621474, 665865, 887820, 932211, 1035790, 1242948, 1331730, 1553685, 1864422, 2071580, 2663460, 3107370, 3728844, 4661055, 6214740, 9322110, 18644220]

約数ペア:

[(1, 18644220), (2, 9322110), (3, 6214740), (4, 4661055), (5, 3728844), (6, 3107370), (7, 2663460), (9, 2071580), (10, 1864422), (12, 1553685), (14, 1331730), (15, 1242948), (18, 1035790), (20, 932211), (21, 887820), (28, 665865), (30, 621474), (35, 532692), (36, 517895), (42, 443910), (45, 414316), (60, 310737), (63, 295940), (70, 266346), (84, 221955), (90, 207158), (105, 177564), (126, 147970), (140, 133173), (180, 103579), (210, 88782), (252, 73985), (315, 59188), (420, 44391), (630, 29594), (1260, 14797)]